/*
 * (C) Copyright 2006-2010 Nuxeo SAS (http://nuxeo.com/) and contributors.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser General Public License
 * (LGPL) version 2.1 which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl.html
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * Contributors:
 *     bstefanescu
 */
package org.nuxeo.gwt.habyt.app.client.form.bindings;

import org.nuxeo.gwt.habyt.app.client.Action;
import org.nuxeo.gwt.habyt.app.client.Application;
import org.nuxeo.gwt.habyt.app.client.form.FormWidget;
import org.nuxeo.gwt.habyt.invocation.client.ErrorWidget;
import org.nuxeo.gwt.habyt.templates.client.WidgetFactory;
import org.nuxeo.gwt.habyt.templates.client.bindings.Helper;

import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.Node;
import com.google.gwt.user.client.ui.Widget;

/**
 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
 * 
 */
public class FormFactory extends WidgetFactory {

    public FormFactory() {
        super("form");
    }

    @Override
    protected Widget createWidget(Element element) {
        String v = Helper.getAttribute(element, "action");
        if (v == null) {
            return new ErrorWidget(
                    "Both target and action attributes must be specified on a form");
        }
        Action<?> action = Application.get().getAction(v);
        action.setTarget(Helper.getAttribute(element, "target"));
        action.setOutcome(Helper.getAttribute(element, "outcome"));
        action.setConfirm(Helper.getAttribute(element, "confirm"));
        action.setMessage(Helper.getAttribute(element, "message"));
        FormWidget form = new FormWidget(action);
        importContent(form, element);

        return form;
    }

    protected void importContent(FormWidget w, Element element) {
        Element targetEl = w.getElement();
        Node el = element.getFirstChild();
        while (el != null) {
            Node elToImport = el;
            el = el.getNextSibling();
            targetEl.appendChild(elToImport);
        }
    }
}
